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Cisco Bug: CSCvi15809 - VXLAN BUM - mcast/bcast/flood packet drop on decapsulation with TX SPAN enabled

Last Modified

Oct 09, 2019

Products (37)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 9396TX Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 92160YC-X Switch
  • Cisco Nexus 3132Q-V Switch
  • Cisco Nexus 31108TC-V Switch
  • Cisco Nexus 92304QC Switch
  • Cisco Nexus 9272Q Switch
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Known Affected Releases


Description (partial)

VXLAN BUM (multicast/broadcast/flood) traffic can be dropped if span destination port is enabled on 40G ports of a N9K T2 TOR swich.

Issue can happen when SPAN/monitor session destination port(switchport monitor) is enabled 40G ports of a N9K T2 TOR swich
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